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| Table 1. Selected Characteristics | Census 2000 | 2007-2009 ACS | 2010 Census | 2010-2012 ACS | Is the numeric change between Census 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|
| Value | MOE(+/-) | Value | MOE(+/-) | Value | Value | MOE(+/-) | ||
| Total Persons 1 | 661,645 | -- | 796,413 | -- | 839,631 | 849,101 | -- | -- |
| Persons in Households 2 | 631,654 | 871 | 757,326 | -- | 802,874 | 816,221 | -- | -- |
| Total Households 3 | 208,786 | 738 | 241,465 | 1,918 | 254,610 | 254,255 | 2,002 | Yes |
| Average Number of Persons per Household 4 | 3.03 | 0.03 | 3.14 | 0.02 | 3.15 | 3.21 | 0.02 | Yes |
| Average Household Income 5 | $47,105 | $498 | $62,181 | $1,264 | -- | $62,965 | $1,381 | Yes |
| Average Number of Vehicles per Household 6 | 1.70 | 0.01 | 1.88 | 0.03 | -- | 1.85 | 0.03 | Yes |
| Percent of Persons in Poverty 7 | 20.80 | 0.30 | 20.60 | 0.86 | -- | 23.20 | 0.87 | Yes |
| Percent Minority 8 | 38.60 | 0.30 | 33.40 | 0.67 | 40.50 | 27.10 | 0.69 | Yes |
| Percent of Persons 65 and Over 9 | 9.40 | 0.20 | 8.90 | 0.23 | 9.00 | 9.20 | 0.22 | No |
| Percent of Persons Foreign Born 10 | 16.90 | 0.20 | 19.70 | 0.47 | -- | 20.50 | 0.46 | Yes |
| Total Workers at Place of Residence11 | 235,906 | 2,006 | 312,938 | 3,839 | -- | 317,008 | 4,675 | Yes |
| Table 2a. Mode to Work 12 | CTPP2000 | 2007-2009 ACS | 2010-2012 ACS | Is the numeric change between CTPP 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| Total Workers | 229,735 | 100.0 | 1,994 | 294,977 | 100.0 | 3,927 | 306,528 | 100.0 | 4,653 | Yes |
| Drove alone | 169,580 | 73.8 | 1,829 | 223,629 | 75.8 | 3,875 | 232,985 | 76.0 | 4,109 | Yes |
| 2-person Carpool | 28,035 | 12.2 | 844 | 32,534 | 11.0 | 1,828 | 29,897 | 9.8 | 1,887 | No |
| 3-or-more-person Carpool | 14,185 | 6.2 | 607 | 17,081 | 5.8 | 1,601 | 17,342 | 5.7 | 1,693 | Yes |
| Transit | 2,980 | 1.3 | 280 | 3,006 | 1.0 | 689 | 3,267 | 1.1 | 693 | No |
| Bike | 1,235 | 0.5 | 181 | 1,050 | 0.4 | 310 | 1,493 | 0.5 | 464 | No |
| Walked | 4,400 | 1.9 | 340 | 5,224 | 1.8 | 787 | 6,188 | 2.0 | 1,265 | Yes |
| Taxi, Motorcycle and Other means | 3,140 | 1.4 | 288 | 4,334 | 1.5 | 675 | 5,961 | 1.9 | 812 | Yes |
| Worked at Home | 6,185 | 2.7 | 403 | 8,119 | 2.8 | 898 | 9,395 | 3.1 | 1,159 | Yes |
| Table 2b. Mode to Work 12 | CTPP2000 | 2007-2009 ACS | 2010-2012 ACS | Is the numeric change between CTPP 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| At Place of Work | ||||||||||
| Total Workers | 229,985 | 100.0 | 1,995 | 293,929 | 100.0 | 4,179 | 309,496 | 100.0 | 5,454 | Yes |
| Drove alone | 168,910 | 73.4 | 1,826 | 221,942 | 75.5 | 3,663 | 234,216 | 75.7 | 4,411 | Yes |
| 2-person Carpool | 28,375 | 12.3 | 849 | 32,816 | 11.2 | 1,861 | 30,317 | 9.8 | 1,967 | No |
| 3-or-more-person Carpool | 14,860 | 6.5 | 621 | 18,216 | 6.2 | 1,880 | 18,458 | 6.0 | 1,787 | Yes |
| Transit | 3,020 | 1.3 | 282 | 2,554 | 0.9 | 646 | 3,294 | 1.1 | 692 | No |
| Bike | 1,250 | 0.5 | 182 | 1,050 | 0.4 | 310 | 1,509 | 0.5 | 461 | No |
| Walked | 4,290 | 1.9 | 336 | 4,985 | 1.7 | 736 | 6,226 | 2.0 | 1,272 | Yes |
| Taxi, Motorcycle and Other means | 3,090 | 1.3 | 286 | 4,247 | 1.4 | 668 | 6,081 | 2.0 | 842 | Yes |
| Worked at Home | 6,185 | 2.7 | 403 | 8,119 | 2.8 | 898 | 9,395 | 3.0 | 1,159 | Yes |
| Table 3. Mean Travel Time by Mode to Work 13 | Census 2000 | 2007-2009 ACS | 2010-2012 ACS | Is the change in travel time between Census 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|
| Minutes | MOE(+/-) | Minutes | MOE(+/-) | Minutes | MOE(+/-) | ||
| At Place of Residence | |||||||
| Total Workers (does not include workers who worked at home) | 23.2 | 0.3 | 22.9 | 0.6 | 23.9 | 0.7 | No |
| Drove alone | 21.4 | 0.3 | 21.6 | 0.7 | 22.4 | 0.7 | Yes |
| Carpooled | 29.8 | 0.7 | 29.2 | 2.4 | 30.7 | 2.9 | No |
| Transit | 45.3 | 3.5 | 42.9 | 14.0 | 45.9 | 15.3 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 19.0 | 1.4 | 16.1 | 3.1 | 20.4 | 3.7 | No |
Notes:
* The coefficient of variation (CV) can be derived by the standard error (SE) divided by the estimate, while SE = MOE/1.645.
** The z-value of the difference of the two estimates are used to determined if the two estimates are significantly different at 90% confidence level.
1 Census 2000 SF3 Table P1; 2007-2009 ACS Table B01003; 2010-2012 ACS Table B01003
2 Census 2000 SF3 Table P9; 2007-2009 ACS Table B09016; 2010-2012 ACS Table B01003 minus Table B26001
3 Census 2000 SF3 Table P10; 2007-2009 ACS Table B19001; 2010-2012 ACS Table B19001
4 Census 2000 SF3 Table P9 divided Census 2000 SF3 Table P10; 2007-2009 ACS Table B09016 divided 2007-2009 ACS Table B19001; 2010-2012 ACS Table S1101
5 CTPP2000 Table 1-090; 2007-2009 ACS Table B19025; 2010-2012 ACS Table B19025
6 Census 2000 SF3 Table H46; 2007-2009 ACS Table B25046; 2010-2012 ACS Table B25046
7 Census 2000 SF3 Table P87; 2007 -2009 ACS Table B17001; 2010-2012 ACS Table B17001
8 Census 2000 SF3 Table P6; 2007-2009 ACS Table B02001; 2010-2012 ACS Table B02001
9 Census 2000 SF3 Table P8; 2007-2009 ACS Table B01001; 2010-2012 ACS Table B01001
10 Census 2000 SF3 Table P21; 2007-2009 ACS Table B06003; 2010-2012 ACS Table B06003
11 Census 2000 SF3 Table P43; 2007-2009 ACS Table B23001; 2010-2012 ACS Table B23025
12 Residence place information is from CTPP2000 Table 1-002; 2007- 2009 ACS Table B08301; 2010-2012 ACS Table B08301. Workplace information is from CTPP2000 Table 2-002; 2007-2009 ACS Table B08406; 2010-2012 ACS Table B08601
13 CTPP2000 1-118; 2007-2009 ACS Table C08136; 2010-2012 ACS Table C08136
